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Instrumentation & control, schematic drawings of refrigeration?

Nov 13, 2008 by Physicslost | Posted in Engineering

Howdy

Drawing a simple schematic of a refrigration system onboard a ship. I am using a refrigration system as an example of a closed loop system which provides feedback. In this example a controlled thermostat, that adjusts refrigeration

You can show an elongated sensing bulb in the controlled air space in front of the evaporator discharge with a line or tube drawn from the bulb back to the Expansion Valve, indicating that as the temp rises and falls, the expansion valve opening is modulated

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